420  
WHUS53 KGRR 130156  
SMWGRR  
LMZ844-845-876-878-130330-  
/O.NEW.KGRR.MA.W.0052.190913T0156Z-190913T0330Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
956 PM EDT THU SEP 12 2019  
 
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
NEARSHORE AND OPEN WATERS FROM ST JOSEPH TO HOLLAND MI...  
 
* UNTIL 1130 PM EDT.  
 
* AT 956 PM EDT, A STRONG THUNDERSTORM WAS LOCATED NEAR THE ST.  
JOSEPH LIGHT, MOVING NORTHEAST AT 20 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND SMALL HAIL.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
THE ST. JOSEPH LIGHT, THE SOUTH HAVEN LIGHT AND ST. JOSEPH.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THIS STORM PASSES.  
WIND GUSTS 34 KNOTS OR GREATER, SMALL HAIL, HIGH WAVES, DANGEROUS  
LIGHTNING, AND HEAVY RAIN ARE POSSIBLE WITH THIS STORM.  
 

 
 
LAT...LON 4213 8658 4219 8671 4277 8657 4276 8621  
4248 8625 4236 8629 4223 8637 4211 8649  
TIME...MOT...LOC 0156Z 212DEG 21KT 4222 8656  
 
HAIL...<.75IN  
WIND...>34KTS  
 

 
 
WDM  
 
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